Indian Ocean

Brought to you by YData

Dataset statistics

Number of variables	13
Number of observations	499380
Missing cells	124160
Missing cells (%)	1.9%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	89.5 MiB
Average record size in memory	188.0 B

Variable types

Numeric	8
Categorical	4
DateTime	1

Alerts

`CYCLE_NUMBER` is highly overall correlated with `TIME_QC`	High correlation
`PRES` is highly overall correlated with `TEMP`	High correlation
`PSAL` is highly overall correlated with `TEMP`	High correlation
`TEMP` is highly overall correlated with `PRES` and 1 other fields	High correlation
`TIME_QC` is highly overall correlated with `CYCLE_NUMBER`	High correlation
`DIRECTION` is highly imbalanced (96.3%)	Imbalance
`POSITION_QC` is highly imbalanced (98.9%)	Imbalance
`TIME_QC` is highly imbalanced (81.6%)	Imbalance
`PSAL` has 62263 (12.5%) missing values	Missing
`TEMP` has 61897 (12.4%) missing values	Missing
`N_POINTS` is uniformly distributed	Uniform
`N_POINTS` has unique values	Unique

Reproduction

Analysis started	2025-09-20 15:54:20.605380
Analysis finished	2025-09-20 15:54:48.285052
Duration	27.68 seconds
Software version	ydata-profiling vv4.16.1
Download configuration	config.json

N_POINTS
Real number (ℝ)

Uniform Unique

Distinct	499380
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	249689.5

Minimum	0
Maximum	499379
Zeros	1
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	0
5-th percentile	24968.95
Q1	124844.75
median	249689.5
Q3	374534.25
95-th percentile	474410.05
Maximum	499379
Range	499379
Interquartile range (IQR)	249689.5

Descriptive statistics

Standard deviation	144158.73
Coefficient of variation (CV)	0.577352
Kurtosis	-1.2
Mean	249689.5
Median Absolute Deviation (MAD)	124845
Skewness	4.9281174 × 10^-16
Sum	1.2468994 × 10¹¹
Variance	2.078174 × 10¹⁰
Monotonicity	Strictly increasing

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
499379	1	< 0.1%
0	1	< 0.1%
1	1	< 0.1%
2	1	< 0.1%
499363	1	< 0.1%
499362	1	< 0.1%
499361	1	< 0.1%
499360	1	< 0.1%
499359	1	< 0.1%
499358	1	< 0.1%
Other values (499370)	499370	> 99.9%

Value	Count	Frequency (%)
0	1	< 0.1%
1	1	< 0.1%
2	1	< 0.1%
3	1	< 0.1%
4	1	< 0.1%
5	1	< 0.1%
6	1	< 0.1%
7	1	< 0.1%
8	1	< 0.1%
9	1	< 0.1%

Value	Count	Frequency (%)
499379	1	< 0.1%
499378	1	< 0.1%
499377	1	< 0.1%
499376	1	< 0.1%
499375	1	< 0.1%
499374	1	< 0.1%
499373	1	< 0.1%
499372	1	< 0.1%
499371	1	< 0.1%
499370	1	< 0.1%

CYCLE_NUMBER
Real number (ℝ)

High correlation

Distinct	239
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	118.35025

Minimum	1
Maximum	564
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	1
5-th percentile	17
Q1	42
median	83
Q3	172
95-th percentile	324
Maximum	564
Range	563
Interquartile range (IQR)	130

Descriptive statistics

Standard deviation	110.10941
Coefficient of variation (CV)	0.93036907
Kurtosis	4.9310283
Mean	118.35025
Median Absolute Deviation (MAD)	44
Skewness	2.0524291
Sum	59101746
Variance	12124.082
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
77	9325	1.9%
107	8835	1.8%
76	8794	1.8%
79	8197	1.6%
29	7802	1.6%
189	7580	1.5%
28	7557	1.5%
190	7074	1.4%
185	6866	1.4%
78	6812	1.4%
Other values (229)	420538	84.2%

Value	Count	Frequency (%)
1	2980	0.6%
2	1972	0.4%
3	488	0.1%
4	978	0.2%
5	490	0.1%
6	490	0.1%
12	998	0.2%
13	3115	0.6%
14	4111	0.8%
15	4609	0.9%

Value	Count	Frequency (%)
564	482	0.1%
563	482	0.1%
562	482	0.1%
561	482	0.1%
560	482	0.1%
559	482	0.1%
558	482	0.1%
557	482	0.1%
556	482	0.1%
555	482	0.1%

DATA_MODE
Categorical

Distinct	3
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	23.8 MiB

A	270584
R	226145
D	2651

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	499380
Distinct characters	3
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	A
2nd row	A
3rd row	A
4th row	A
5th row	A

Common Values

Value	Count	Frequency (%)
A	270584	54.2%
R	226145	45.3%
D	2651	0.5%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
a	270584	54.2%
r	226145	45.3%
d	2651	0.5%

Most occurring characters

Value	Count	Frequency (%)
A	270584	54.2%
R	226145	45.3%
D	2651	0.5%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
A	270584	54.2%
R	226145	45.3%
D	2651	0.5%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
A	270584	54.2%
R	226145	45.3%
D	2651	0.5%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
A	270584	54.2%
R	226145	45.3%
D	2651	0.5%

DIRECTION
Categorical

Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	23.8 MiB

A	497440
D	1940

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	499380
Distinct characters	2
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	A
2nd row	A
3rd row	A
4th row	A
5th row	A

Common Values

Value	Count	Frequency (%)
A	497440	99.6%
D	1940	0.4%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
a	497440	99.6%
d	1940	0.4%

Most occurring characters

Value	Count	Frequency (%)
A	497440	99.6%
D	1940	0.4%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
A	497440	99.6%
D	1940	0.4%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
A	497440	99.6%
D	1940	0.4%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
A	497440	99.6%
D	1940	0.4%

PLATFORM_NUMBER
Real number (ℝ)

Distinct	364
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	4510042.7

Minimum	1901514
Maximum	7902312
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	1901514
5-th percentile	1902050
Q1	1902755
median	4903783
Q3	5906981
95-th percentile	7901117
Maximum	7902312
Range	6000798
Interquartile range (IQR)	4004226

Descriptive statistics

Standard deviation	2128322.2
Coefficient of variation (CV)	0.47190734
Kurtosis	-1.4855175
Mean	4510042.7
Median Absolute Deviation (MAD)	2000348
Skewness	0.05761734
Sum	2.2522251 × 10¹²
Variance	4.5297556 × 10¹²
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
5902490	13978	2.8%
2903955	7485	1.5%
2903956	7455	1.5%
5907141	7094	1.4%
4903839	7072	1.4%
1902734	5489	1.1%
7901023	5425	1.1%
3902490	5414	1.1%
6990504	5401	1.1%
6990503	4377	0.9%
Other values (354)	430190	86.1%

Value	Count	Frequency (%)
1901514	4	< 0.1%
1901759	1494	0.3%
1901760	1494	0.3%
1901762	1496	0.3%
1901765	1496	0.3%
1901766	1506	0.3%
1901767	2008	0.4%
1901768	1506	0.3%
1901769	1506	0.3%
1901771	1506	0.3%

Value	Count	Frequency (%)
7902312	503	0.1%
7902287	186	< 0.1%
7902274	1495	0.3%
7902251	186	< 0.1%
7902250	438	0.1%
7902249	186	< 0.1%
7902248	153	< 0.1%
7902247	186	< 0.1%
7902246	159	< 0.1%
7902244	186	< 0.1%

POSITION_QC
Categorical

Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	23.8 MiB

1	498882
2	498

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	499380
Distinct characters	2
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	1
2nd row	1
3rd row	1
4th row	1
5th row	1

Common Values

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

Most occurring characters

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
1	498882	99.9%
2	498	0.1%

PRES
Real number (ℝ)

High correlation

Distinct	75957
Distinct (%)	15.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	462.73376

Minimum	0
Maximum	999.98999
Zeros	37
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	0
5-th percentile	32
Q1	201.2
median	443.98001
Q3	717.57001
95-th percentile	939.96002
Maximum	999.98999
Range	999.98999
Interquartile range (IQR)	516.37001

Descriptive statistics

Standard deviation	294.10308
Coefficient of variation (CV)	0.63557731
Kurtosis	-1.2228782
Mean	462.73376
Median Absolute Deviation (MAD)	256.10001
Skewness	0.1389846
Sum	2.3107999 × 10⁸
Variance	86496.623
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	164	< 0.1%
6	164	< 0.1%
438	159	< 0.1%
5	159	< 0.1%
2	155	< 0.1%
4	154	< 0.1%
9	150	< 0.1%
8	149	< 0.1%
638	149	< 0.1%
338	147	< 0.1%
Other values (75947)	497830	99.7%

Value	Count	Frequency (%)
0	37	< 0.1%
0.005	5	< 0.1%
0.01	4	< 0.1%
0.03	5	< 0.1%
0.032	3	< 0.1%
0.06	1	< 0.1%
0.07	3	< 0.1%
0.09	1	< 0.1%
0.1	58	< 0.1%
0.105	4	< 0.1%

Value	Count	Frequency (%)
999.98999	1	< 0.1%
999.980042	1	< 0.1%
999.97998	1	< 0.1%
999.969971	2	< 0.1%
999.960022	52	< 0.1%
999.950012	4	< 0.1%
999.940002	6	< 0.1%
999.929993	5	< 0.1%
999.920044	1	< 0.1%
999.919983	17	< 0.1%

PSAL
Real number (ℝ)

High correlation Missing

Distinct	40569
Distinct (%)	9.3%
Missing	62263
Missing (%)	12.5%
Infinite	0
Infinite (%)	0.0%
Mean	34.788406

Minimum	-0.044
Maximum	131.99779
Zeros	135
Zeros (%)	< 0.1%
Negative	12
Negative (%)	< 0.1%
Memory size	3.8 MiB

Quantile statistics

Minimum	-0.044
5-th percentile	34.450001
Q1	34.7472
median	34.994999
Q3	35.3909
95-th percentile	36.025002
Maximum	131.99779
Range	132.04179
Interquartile range (IQR)	0.6437

Descriptive statistics

Standard deviation	2.8979601
Coefficient of variation (CV)	0.083302467
Kurtosis	126.83036
Mean	34.788406
Median Absolute Deviation (MAD)	0.284
Skewness	-9.4832318
Sum	15206604
Variance	8.3981727
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
35	579	0.1%
35.001999	575	0.1%
35.000999	556	0.1%
34.999001	549	0.1%
35.004002	526	0.1%
35.002998	509	0.1%
35.005001	508	0.1%
34.998001	502	0.1%
34.997002	499	0.1%
34.993	497	0.1%
Other values (40559)	431817	86.5%
(Missing)	62263	12.5%

Value	Count	Frequency (%)
-0.044	12	< 0.1%
0	135	< 0.1%
0.012	1	< 0.1%
0.1	77	< 0.1%
0.101	82	< 0.1%
0.102	110	< 0.1%
0.103	118	< 0.1%
0.104	104	< 0.1%
0.105	113	< 0.1%
0.106	130	< 0.1%

Value	Count	Frequency (%)
131.997787	1	< 0.1%
131.929398	1	< 0.1%
131.613892	1	< 0.1%
131.478394	1	< 0.1%
131.403	1	< 0.1%
131.297501	1	< 0.1%
37.581001	1	< 0.1%
37.573002	1	< 0.1%
37.544998	1	< 0.1%
37.535999	1	< 0.1%

TEMP
Real number (ℝ)

High correlation Missing

Distinct	45896
Distinct (%)	10.5%
Missing	61897
Missing (%)	12.4%
Infinite	0
Infinite (%)	0.0%
Mean	12.866534

Minimum	4.087
Maximum	31.777
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	4.087
5-th percentile	6.011
Q1	8.522
median	11.077
Q3	15.94
95-th percentile	25.656
Maximum	31.777
Range	27.69
Interquartile range (IQR)	7.418

Descriptive statistics

Standard deviation	5.9493922
Coefficient of variation (CV)	0.46239275
Kurtosis	0.30041251
Mean	12.866534
Median Absolute Deviation (MAD)	3.202
Skewness	1.0418094
Sum	5628890.1
Variance	35.395268
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
24.884001	151	< 0.1%
6.48	123	< 0.1%
24.882	97	< 0.1%
24.882999	96	< 0.1%
24.891001	96	< 0.1%
6.259	83	< 0.1%
9.839	83	< 0.1%
6.079	83	< 0.1%
6.481	82	< 0.1%
9.577	81	< 0.1%
Other values (45886)	436508	87.4%
(Missing)	61897	12.4%

Value	Count	Frequency (%)
4.087	1	< 0.1%
4.122	1	< 0.1%
4.136	1	< 0.1%
4.14	1	< 0.1%
4.144	1	< 0.1%
4.154	1	< 0.1%
4.168	1	< 0.1%
4.173	1	< 0.1%
4.176	1	< 0.1%
4.181	1	< 0.1%

Value	Count	Frequency (%)
31.777	1	< 0.1%
31.263	1	< 0.1%
31.252001	1	< 0.1%
31.205	1	< 0.1%
31.063999	1	< 0.1%
31.042999	1	< 0.1%
31.039	1	< 0.1%
31.025	1	< 0.1%
31.017	1	< 0.1%
30.907	1	< 0.1%

TIME_QC
Categorical

High correlation Imbalance

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	23.8 MiB

1	485402
8	13978

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	499380
Distinct characters	2
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	1
2nd row	1
3rd row	1
4th row	1
5th row	1

Common Values

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

Most occurring characters

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	499380	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
1	485402	97.2%
8	13978	2.8%

TIME
Date

Distinct	1155
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Memory size	3.8 MiB

Minimum	2025-08-20 01:12:05+00:00
Maximum	2025-09-19 22:44:20+00:00
Invalid dates	0
Invalid dates (%)	0.0%

Histogram with fixed size bins (bins=50)

LATITUDE
Real number (ℝ)

Distinct	1142
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	-6.7712651

Minimum	-29.989
Maximum	24.73319
Zeros	0
Zeros (%)	0.0%
Negative	344814
Negative (%)	69.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	-29.989
5-th percentile	-28.003302
Q1	-22.020383
median	-8.6783
Q3	3.7272
95-th percentile	23.475005
Maximum	24.73319
Range	54.72219
Interquartile range (IQR)	25.747583

Descriptive statistics

Standard deviation	16.388594
Coefficient of variation (CV)	-2.420315
Kurtosis	-0.95317908
Mean	-6.7712651
Median Absolute Deviation (MAD)	13.17392
Skewness	0.45877008
Sum	-3381434.4
Variance	268.58603
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.1215726667	1478	0.3%
1.052201667	1458	0.3%
0.7588755	1441	0.3%
16.919035	1436	0.3%
17.00319317	1424	0.3%
23.75949067	1421	0.3%
23.11384933	1417	0.3%
16.48735083	1409	0.3%
23.7540785	1408	0.3%
17.38521817	1405	0.3%
Other values (1132)	485083	97.1%

Value	Count	Frequency (%)
-29.989	489	0.1%
-29.9836	548	0.1%
-29.975	489	0.1%
-29.942	490	0.1%
-29.9012	505	0.1%
-29.84117667	292	0.1%
-29.82229	505	0.1%
-29.81628	505	0.1%
-29.81226	505	0.1%
-29.783	489	0.1%

Value	Count	Frequency (%)
24.73319	499	0.1%
24.661555	499	0.1%
24.61712833	499	0.1%
24.57424667	499	0.1%
24.502735	499	0.1%
24.49146533	1366	0.3%
24.43172667	499	0.1%
24.43117667	499	0.1%
24.41383833	499	0.1%
24.40533833	499	0.1%

LONGITUDE
Real number (ℝ)

Distinct	1147
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	73.374088

Minimum	35.69775
Maximum	117.00216
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	3.8 MiB

Quantile statistics

Minimum	35.69775
5-th percentile	46.1713
Q1	60.08975
median	70.24913
Q3	86.82716
95-th percentile	104.49009
Maximum	117.00216
Range	81.304413
Interquartile range (IQR)	26.73741

Descriptive statistics

Standard deviation	17.727339
Coefficient of variation (CV)	0.24160218
Kurtosis	-0.75932466
Mean	73.374088
Median Absolute Deviation (MAD)	13.25187
Skewness	0.21411904
Sum	36641552
Variance	314.25856
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
76.45284467	1478	0.3%
77.40757	1458	0.3%
77.14380583	1441	0.3%
59.37788617	1436	0.3%
58.72022183	1424	0.3%
61.73529967	1421	0.3%
61.69210183	1417	0.3%
66.93568717	1409	0.3%
61.03817733	1408	0.3%
58.589684	1405	0.3%
Other values (1137)	485083	97.1%

Value	Count	Frequency (%)
35.69775	504	0.1%
35.7197	488	0.1%
35.9752	488	0.1%
36.30995	504	0.1%
36.4444	488	0.1%
37.54116	504	0.1%
38.11791	504	0.1%
38.24111	504	0.1%
38.324045	696	0.1%
38.37711667	689	0.1%

Value	Count	Frequency (%)
117.0021633	56	< 0.1%
116.55347	55	< 0.1%
116.3798	56	< 0.1%
114.6765	498	0.1%
114.5469	498	0.1%
114.5448	498	0.1%
114.0538909	498	0.1%
114.0219424	498	0.1%
114.0083677	498	0.1%
112.192535	582	0.1%

	CYCLE_NUMBER	DATA_MODE	DIRECTION	LATITUDE	LONGITUDE	N_POINTS	PLATFORM_NUMBER	POSITION_QC	PRES	PSAL	TEMP	TIME_QC
CYCLE_NUMBER	1.000	0.327	0.083	-0.270	-0.015	0.003	-0.096	0.088	0.021	-0.166	-0.039	1.000
DATA_MODE	0.327	1.000	0.057	0.364	0.228	0.119	0.259	0.029	0.036	0.034	0.110	0.156
DIRECTION	0.083	0.057	1.000	0.094	0.089	0.087	0.102	0.000	0.014	0.006	0.039	0.010
LATITUDE	-0.270	0.364	0.094	1.000	-0.189	0.004	-0.088	0.092	-0.022	0.356	0.093	0.334
LONGITUDE	-0.015	0.228	0.089	-0.189	1.000	-0.023	0.027	0.203	0.016	-0.326	-0.136	0.303
N_POINTS	0.003	0.119	0.087	0.004	-0.023	1.000	-0.023	0.095	0.007	0.005	0.000	0.088
PLATFORM_NUMBER	-0.096	0.259	0.102	-0.088	0.027	-0.023	1.000	0.052	-0.042	-0.012	0.014	0.278
POSITION_QC	0.088	0.029	0.000	0.092	0.203	0.095	0.052	1.000	0.001	0.002	0.031	0.005
PRES	0.021	0.036	0.014	-0.022	0.016	0.007	-0.042	0.001	1.000	-0.463	-0.937	0.026
PSAL	-0.166	0.034	0.006	0.356	-0.326	0.005	-0.012	0.002	-0.463	1.000	0.615	0.017
TEMP	-0.039	0.110	0.039	0.093	-0.136	0.000	0.014	0.031	-0.937	0.615	1.000	0.135
TIME_QC	1.000	0.156	0.010	0.334	0.303	0.088	0.278	0.005	0.026	0.017	0.135	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

	N_POINTS	CYCLE_NUMBER	DATA_MODE	DIRECTION	PLATFORM_NUMBER	POSITION_QC	PRES	PSAL	TEMP	TIME_QC	TIME	LATITUDE	LONGITUDE
0	0	64	A	A	2903145	1	1.12	35.519001	23.686001	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
1	1	64	A	A	2903145	1	2.04	35.520000	23.687000	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
2	2	64	A	A	2903145	1	3.00	35.520000	23.691999	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
3	3	64	A	A	2903145	1	3.96	35.520000	23.691999	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
4	4	64	A	A	2903145	1	4.96	35.520000	23.691999	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
5	5	64	A	A	2903145	1	5.96	35.520000	23.691999	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
6	6	64	A	A	2903145	1	6.96	35.520000	23.691999	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
7	7	64	A	A	2903145	1	8.00	35.520000	23.693001	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
8	8	64	A	A	2903145	1	8.92	35.520000	23.693001	1	2025-08-20 01:12:05+00:00	10.98619	53.97337
9	9	64	A	A	2903145	1	10.20	35.520000	23.693001	1	2025-08-20 01:12:05+00:00	10.98619	53.97337

	N_POINTS	CYCLE_NUMBER	DATA_MODE	DIRECTION	PLATFORM_NUMBER	POSITION_QC	PRES	PSAL	TEMP	TIME_QC	TIME	LATITUDE	LONGITUDE
499370	499370	51	R	A	1902734	1	981.799988	35.410999	8.899	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499371	499371	51	R	A	1902734	1	983.799988	35.410000	8.889	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499372	499372	51	R	A	1902734	1	985.799988	35.409000	8.867	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499373	499373	51	R	A	1902734	1	987.799988	35.407001	8.842	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499374	499374	51	R	A	1902734	1	989.799988	35.403999	8.827	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499375	499375	51	R	A	1902734	1	991.799988	35.403999	8.819	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499376	499376	51	R	A	1902734	1	993.799988	35.402000	8.807	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499377	499377	51	R	A	1902734	1	995.799988	35.401001	8.799	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499378	499378	51	R	A	1902734	1	997.799988	35.400002	8.786	1	2025-09-19 22:44:20+00:00	22.180697	62.012415
499379	499379	51	R	A	1902734	1	999.700012	35.397999	8.769	1	2025-09-19 22:44:20+00:00	22.180697	62.012415

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Interactions

Correlations

Missing values

Sample